ubdate

node_modules/gulp-cli/lib/shared/log/to-console.js

@@ -0,0 +1,58 @@
+'use strict';
+
+var fancyLog = require('fancy-log');
+
+/* istanbul ignore next */
+function noop() {}
+
+// The sorting of the levels is
+// significant.
+var levels = [
+  'error', // -L: Logs error events.
+  'warn',  // -LL: Logs warn and error events.
+  'info',  // -LLL: Logs info, warn and error events.
+  'debug', // -LLLL: Logs all log levels.
+];
+
+function cleanup(log) {
+  levels.forEach(removeListeners);
+
+  function removeListeners(level) {
+    if (level === 'error') {
+      log.removeListener(level, noop);
+      log.removeListener(level, fancyLog.error);
+    } else {
+      log.removeListener(level, fancyLog);
+    }
+  }
+}
+
+function toConsole(log, opts) {
+  // Remove previous listeners to enable to call this twice.
+  cleanup(log);
+
+  // Return immediately if logging is
+  // not desired.
+  if (opts.tasksSimple || opts.tasksJson || opts.help || opts.version || opts.silent) {
+    // Keep from crashing process when silent.
+    log.on('error', noop);
+    return;
+  }
+
+  // Default loglevel to info level (3).
+  var loglevel = opts.logLevel || 3;
+
+  levels
+    .filter(function(item, i) {
+      return i < loglevel;
+    })
+    .forEach(function(level) {
+      if (level === 'error') {
+        log.on(level, fancyLog.error);
+      } else {
+        log.on(level, fancyLog);
+      }
+    });
+}
+
+module.exports = toConsole;